{"product_id":"simpson-strong-tie-sdws-timber-screw-e-coat-interior","title":"Simpson Strong-Tie Strong-Drive SDWS Timber Screw, 0.220 in., E-Coat (Interior)","description":"\u003cstyle\u003e\n.pb-wrap{--pb-line:#e1e3e5;--pb-head:#f6f6f7;max-width:100%}\n.pb-wrap .pb-intro{margin-bottom:20px}\n.pb-acc{border:1px solid var(--pb-line);border-radius:8px;margin:0 0 8px;overflow:hidden}\n.pb-acc\u003esummary{cursor:pointer;padding:14px 16px;font-weight:600;line-height:1.35;\n list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}\n.pb-acc\u003esummary::-webkit-details-marker{display:none}\n.pb-acc\u003esummary::marker{content:\"\"}\n.pb-acc\u003esummary::after{content:\"+\";font-size:22px;font-weight:400;line-height:1;flex:0 0 auto}\n.pb-acc[open]\u003esummary::after{content:\"\\2212\"}\n.pb-acc[open]\u003esummary{border-bottom:1px solid var(--pb-line);background:var(--pb-head)}\n.pb-acc\u003esummary:hover{background:var(--pb-head)}\n.pb-acc .pb-body{padding:16px}\n.pb-acc .pb-body\u003e:first-child{margin-top:0}\n.pb-acc .pb-body\u003e:last-child{margin-bottom:0}\n.pb-q{border:0;border-bottom:1px solid var(--pb-line);border-radius:0;margin:0}\n.pb-q:last-child{border-bottom:0}\n.pb-q\u003esummary{padding:12px 0;font-weight:600}\n.pb-q[open]\u003esummary{background:transparent;border-bottom:0}\n.pb-q\u003esummary:hover{background:transparent;text-decoration:underline}\n.pb-q .pb-body{padding:0 0 12px}\n.pb-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}\n.pb-table{width:100%;border-collapse:collapse;font-size:14px;min-width:380px}\n.pb-table th,.pb-table td{border:1px solid var(--pb-line);padding:8px 10px;\n text-align:left;vertical-align:top}\n.pb-table thead th{background:var(--pb-head)}\n.pb-table caption{caption-side:top;text-align:left;font-weight:600;padding:0 0 8px}\n.pb-note{font-size:13px;opacity:.75;margin-top:16px}\n.pb-wrap a{color:#3b82f6}\n.pb-wrap a:hover{color:#2563eb}\n\u003c\/style\u003e\u003cdiv class=\"pb-wrap\"\u003e\n\u003ch2\u003eStrong-Drive SDWS Timber Screw, E-Coat (Interior)\u003c\/h2\u003e\n\u003cdiv class=\"pb-intro\"\u003e\n\u003cp\u003eThe SDWS Timber screw is a 0.220 in. structural wood screw for interior timber work: splines, lap joints, ledgers and log-home stacking. The SawTooth point and serrated thread drive without predrilling in most wood and reduce splitting.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eE-coat is for interior use.\u003c\/strong\u003e For exterior or treated lumber, use the double-barrier SDWS instead.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdetails class=\"pb-acc\"\u003e\u003csummary\u003eFeatures and Common Uses\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\n\u003cul\u003e\n\u003cli\u003e0.220 in. shank, 3 in. thread\u003c\/li\u003e\n\u003cli\u003eT40 6-lobe drive, 0.760 in. low-profile washer head\u003c\/li\u003e\n\u003cli\u003eSawTooth point, no predrill in most applications\u003c\/li\u003e\n\u003cli\u003eE-coat electrocoating for interior use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCommonly used for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLog-home stacking and timber framing\u003c\/li\u003e\n\u003cli\u003eSurface splines and lap joints\u003c\/li\u003e\n\u003cli\u003eInterior ledgers and beams\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pb-acc\"\u003e\u003csummary\u003eSpecifications\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\n\u003cdiv class=\"pb-scroll\"\u003e\u003ctable class=\"pb-table\"\u003e\n\u003ccaption\u003eProduct Specifications\u003c\/caption\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eSimpson Strong-Tie\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eModels\u003c\/th\u003e\n\u003ctd\u003eSDWS221200 (12 in.), SDWS221500 (15 in.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eShank\u003c\/th\u003e\n\u003ctd\u003e0.220 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eThread length\u003c\/th\u003e\n\u003ctd\u003e3 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDrive\u003c\/th\u003e\n\u003ctd\u003eT40 6-lobe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eHead diameter\u003c\/th\u003e\n\u003ctd\u003e0.760 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCoating\u003c\/th\u003e\n\u003ctd\u003eE-coat, interior\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"pb-note\"\u003eDimensions are from Simpson's product data for the SDWS221200 and SDWS221500. Design values depend on species and penetration; see the fastening catalogue. Source: \u003ca href=\"https:\/\/ssttoolbox.widen.net\/view\/pdf\/hffm4g6axy\/C-F-2025-p096-107.pdf\" target=\"_blank\" rel=\"noopener\"\u003eSimpson Strong-Tie Fastening Systems Catalog C-F-2025, pp. 96-107 (PDF)\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pb-acc\"\u003e\u003csummary\u003eHow to Install\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\n\u003col\u003e\n\u003cli\u003ePick a length that gives the thread full embedment in the main member.\u003c\/li\u003e\n\u003cli\u003eDrive with a 1\/2 in. low-speed drill and T40 bit until the head seats.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp class=\"pb-note\"\u003eFull installation notes and load tables: Source: \u003ca href=\"https:\/\/ssttoolbox.widen.net\/view\/pdf\/hffm4g6axy\/C-F-2025-p096-107.pdf\" target=\"_blank\" rel=\"noopener\"\u003eSimpson Strong-Tie Fastening Systems Catalog C-F-2025, pp. 96-107 (PDF)\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pb-acc\"\u003e\u003csummary\u003eFrequently Asked Questions\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\n\u003cdetails class=\"pb-acc pb-q\"\u003e\u003csummary\u003eCan I use it outside?\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\u003cp\u003eNo. E-coat is for interior use; choose the double-barrier SDWS for exterior or treated wood.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"pb-acc pb-q\"\u003e\u003csummary\u003eDo I predrill?\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\u003cp\u003eNot in most applications. The SawTooth point and serrated thread start the screw and reduce splitting.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"pb-acc pb-q\"\u003e\u003csummary\u003e12 in. or 15 in.?\u003c\/summary\u003e\u003cdiv class=\"pb-body\"\u003e\u003cp\u003ePick the length that passes through the side member and puts the full 3 in. thread into the main member. For stacked logs or timbers, that usually means one course plus thread embedment.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Product\",\"@id\":\"https:\/\/griffbuildingsupplies.com\/products\/simpson-strong-tie-sdws-timber-screw-e-coat-interior#product\",\"name\":\"Simpson Strong-Tie Strong-Drive SDWS Timber Screw, 0.220 in., E-Coat (Interior)\",\"url\":\"https:\/\/griffbuildingsupplies.com\/products\/simpson-strong-tie-sdws-timber-screw-e-coat-interior\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Simpson Strong-Tie\"},\"category\":\"Hardware \u003e Hardware Accessories \u003e Hardware Fasteners \u003e Screws \u003e Wood Screws\",\"description\":\"Simpson Strong-Tie SDWS 0.220 in. timber screw, E-coat for interior use. 12 or 15 in. T40 drive, SawTooth point, low-profile head.\",\"material\":\"Carbon steel, E-coat\",\"image\":\"https:\/\/ssttoolbox.widen.net\/content\/glr1joyz5p\/jpeg\/F_SDWS221200_ProdPho_Pho_Prod_SDWS-Timber-Interior-Screw-Ecoat_C0.jpeg\",\"additionalProperty\":[{\"@type\":\"PropertyValue\",\"name\":\"Brand\",\"value\":\"Simpson Strong-Tie\"},{\"@type\":\"PropertyValue\",\"name\":\"Models\",\"value\":\"SDWS221200 (12 in.), SDWS221500 (15 in.)\"},{\"@type\":\"PropertyValue\",\"name\":\"Shank\",\"value\":\"0.220 in.\"},{\"@type\":\"PropertyValue\",\"name\":\"Thread length\",\"value\":\"3 in.\"},{\"@type\":\"PropertyValue\",\"name\":\"Drive\",\"value\":\"T40 6-lobe\"},{\"@type\":\"PropertyValue\",\"name\":\"Head diameter\",\"value\":\"0.760 in.\"},{\"@type\":\"PropertyValue\",\"name\":\"Coating\",\"value\":\"E-coat, interior\"}]},{\"@type\":\"FAQPage\",\"@id\":\"https:\/\/griffbuildingsupplies.com\/products\/simpson-strong-tie-sdws-timber-screw-e-coat-interior#faq\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Can I use it outside?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. E-coat is for interior use; choose the double-barrier SDWS for exterior or treated wood.\"}},{\"@type\":\"Question\",\"name\":\"Do I predrill?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Not in most applications. The SawTooth point and serrated thread start the screw and reduce splitting.\"}},{\"@type\":\"Question\",\"name\":\"12 in. or 15 in.?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Pick the length that passes through the side member and puts the full 3 in. thread into the main member. For stacked logs or timbers, that usually means one course plus thread embedment.\"}}]},{\"@type\":\"HowTo\",\"@id\":\"https:\/\/griffbuildingsupplies.com\/products\/simpson-strong-tie-sdws-timber-screw-e-coat-interior#howto\",\"name\":\"How to install Simpson Strong-Tie Strong-Drive SDWS Timber Screw, 0.220 in., E-Coat (Interior)\",\"tool\":[{\"@type\":\"HowToTool\",\"name\":\"1\/2 in. low-speed drill\"},{\"@type\":\"HowToTool\",\"name\":\"T40 6-lobe bit\"}],\"supply\":[{\"@type\":\"HowToSupply\",\"name\":\"Simpson Strong-Tie Strong-Drive SDWS Timber Screw, 0.220 in., E-Coat (Interior)\"}],\"step\":[{\"@type\":\"HowToStep\",\"position\":1,\"name\":\"Set the length\",\"text\":\"Pick a length that gives the thread full embedment in the main member.\"},{\"@type\":\"HowToStep\",\"position\":2,\"name\":\"Drive\",\"text\":\"Drive with a 1\/2 in. low-speed drill and T40 bit until the head seats.\"}]}]}\u003c\/script\u003e","brand":"Simpson Strong-Tie","offers":[{"title":"12 in.","offer_id":55714046116159,"sku":"SDWS221200","price":5.05,"currency_code":"CAD","in_stock":true},{"title":"15 in.","offer_id":55714046148927,"sku":"SDWS221500","price":6.95,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/4901\/7919\/files\/F_SDWS221200_ProdPho_Pho_Prod_SDWS-Timber-Interior-Screw-Ecoat_C0.jpg?v=1790352939","url":"https:\/\/griffbuildingsupplies.com\/zh\/products\/simpson-strong-tie-sdws-timber-screw-e-coat-interior","provider":"Griff Building Supplies","version":"1.0","type":"link"}